We suggest choosing a name that reflects the type of resources you want to connect through this tunnel (for example Jul 8, 2023 · 1. Launch the WARP client. May 1, 2020 · Developers can use the TryCloudflare tool to experiment with Cloudflare Tunnel without adding a site to Cloudflare’s DNS. com. And with that, I can go ahead and run the Tunnel and it will connect to two nearby data centers in Cloudflare’s network. Enter your team name. 5. Aug 8, 2023 · Cloudflare Tunnel allows users to route an entire network IP range through the tunnel, so attackers could deploy it on one machine and then use it to access any services on the local network even Cloudflare Community Cloudflare Community Nov 7, 2023 · If it's an issue with Cloudflare Tunnel: No config needed. SMB. Click on ‘Tunnels’ under the ‘Access’ section of the left-hand menu and then click on ‘Create a Tunnel. , go to Networks > Tunnels. If you’ve followed this guide, you’ll select Debian —> 64-bit and you’ll copy the bit of code under “If you don’t have cloudflared installed on your machine. Apr 22, 2024 · Open external link than many other large technology companies. The client will launch a browser window and prompt the user to select a hostname in their Cloudflare account. Once you have created the tunnel and public hostname, Cloudflare will update the DNS in your domain. cloudflared tunnel create 好きな名前. Ansible is agentless — all it needs to function is the ability to SSH to the target and Python installed on the target. Ensure you replace “ TUNNELNAME ” with the name you want to assign this tunnel. Now, your web server’s firewall can block volumetric DDoS attacks and data breach Jun 17, 2024 · Cloudflare Tunnel. In this guide, you will use Terraform to deploy an SSH Intermediate. Breaking changes unrelated to feature availability may be introduced that will impact versions released more than one year ago. Create a new tunnel with the idea being you will have one tunnel configuration per machine. In other words, it’s a private link. ここでインストールする cloudflared が動作していないと公開できないので注意. Ziti provides all the pieces required to implement a zero trust overlay network. Select Save tunnel. Copy the . Cloudflare Tunnel creates a secure, outbound-only connection between your services and Cloudflare by deploying a lightweight connector in your environment. Complete the authentication steps required by your organization. For Service, select TCP and enter the SMB listening port (for example, localhost:445 ). The value auto relies on the host operating system to Cloudflare Tunnel client. net/posts/publish-rdp-… Mar 6, 2023 · I'm trying to use Remote Desktop with a Cloudflare tunnel and the WARP client, following the instructions on this page: Connect to Remote Desktop through Cloudflare Tunnel. Nov 5, 2022 · RDP can be published using private subnet routing with Cloudflare WARP to Tunnel and/or public hostname routing using cloudflared access. Oct 8, 2022 · Configure Cloudflare Zero Trust free tier step by step in less than 5 minutes. WARP Connector software is now installed, but not yet connected to Cloudflare. Open the Access menu and select Applications. 0. Cloudflare attracts client requests and sends them to you via this daemon, without requiring you to Feb 5, 2022 · Tunnelの作成. We can use the Cloudflare Tunnel to establish a secure, outbound-only connection from the server to Cloudflare’s edge. I have the application created, and the tunnel working. To build a rule, you need to choose a Rule type, Selector, and a Value for the selector. This necessitates the server running the cloudflared daemon. Jul 20, 2023 · Expand: Cloudflare Tunnel Cloudflare Tunnel. You can create a new DNS record directly from : This command create a record that points to the tunnel subdomain, but will not proxy traffic if the tunnel is not currently . Specifies the IP address version (IPv4 or IPv6) used to establish a connection between cloudflared and the Cloudflare global network. From A you can now connect to rangonwopwjdc. co/redhatIn this video, NetworkChuck will show you how to Apr 1, 2023 · That,s right, that the guide I have been using but something missing there, I’m using a different port because the 3389 is already in used but still cannot establish the rdp session. This will get us to the link to the Zero Trust Dashboard, which is where we will do the bulk of configuration with our tunnel. hello_world; HTTP status: Responds to all requests with the given HTTP status May 7, 2022 · Cloudflare Tunnelを使用すると、おうちサーバのポートを開放することなく外部からサービスを利用したり公開したりすることができます。 今回はHTTPの通信について書きましたが、HTTPだけでなくTCPやRDPの通信やUnix Socketでの通信なども設定することができます。 Mar 26, 2024 · To configure how cloudflared sends requests to your public hostname services: In Zero Trust. The Cloudflare WARP client allows you to protect corporate devices by securely and privately sending traffic from those devices to Cloudflare’s global network, where Cloudflare Gateway can apply advanced web filtering. To authenticate the WARP Connector to your Zero Trust organization: Mar 9, 2023 · Rdp tunnel on mac. cloudflared access rdp --hostname rdp. We can use tunnels to direct HTTP RDP SSH and SMB traffic from our applications via the tunnel; this is helpful when you need to have remote access to your system and expose a SAMBA Share, which is some of the common use cases. 0 is a faster protocol for high traffic origins but requires you to deploy an SSL certificate on the origin. Expand: Private networks 5 days ago · Cloudflare Access determines who can reach your application by applying the Access policies you configure. jarbou96 March 9, 2023, 7:09pm 1. Origin configuration. Managed deployment — Bigger Run your home lab like an enterprise company!! Use Red Hat Enterprise Linux for FREE: https://ntck. Is it possible to run Applications? Currently we use a VPN and run Remoted Dekstop (RDP) which accesses the Server via the VPN. TUNNEL_EDGE_IP_VERSION. Download the latest cloudflared version. Select Create a tunnel. Select Save. The CLI provides a quick way to handle configurations if you are connecting a Thanks to @Careerist. Nov 1, 2022 · With Cloudflare Tunnel, you can safely expose and connect any local HTTP web servers, remote desktops, SSH servers, or various other protocols to the internet. This daemon sits between Cloudflare network and your origin (e. Grafana is a dashboard tool that visualizes data stored in other databases. Copy-paste the command into a terminal window and run the command. ahmad. For example, you can add a route that points docs. Create a Cloudflare Tunnel by following our dashboard setup guide. For example, if you added 192. Locally-managed tunnel. Click the Public Hostname tab and click Add a public hostname. 左側メニューから Zero Trust をクリック. Jan 31, 2024 · Ansible is a software tool that enables at scale management of infrastructure. Under Device settings, locate the device profile you would like to modify and select Configure. This demo contrasts traditional methods of securing application access with Cloudflare for Teams, Cloudflare's Zero Trust solution. tech. ch/careerist/===== Mar 26, 2024 · With Cloudflare Tunnel, you can expose your HTTP resources to the Internet via a public hostname. Cloudflare One™ is the culmination of engineering and technical development guided by conversations Cloudflare Zero Trust and Cloudflare Tunnel enhance remote access security by jointly closing off the two main vulnerabilities in RDP described above. Cloudflare (以下Cf) のダッシュボードにログイン. Choose Cloudflared for the connector type and select Next. Jan 31, 2024 · Deploy WARP to your organization. Additional context Add any other context about the problem here. Environment and versions. cloudflared is what connects your server to Cloudflare’s global network. Oct 20, 2023 · 1. Anyone can now view your local application by going to docs. 🔐 Zero Trust. Learn more. This is the next step to remote desktop. As a result, Cloudflare operates within ~50 ms of ~95% of the world’s Internet-connected population. A pop-up message will ask you to confirm your decision Sep 27, 2023 · Tunnel use cases. Here is how to use tunnels with some specific services: SSH. Jan 7, 2024 · 以上で、Cloudflare Zero Trustを利用できるようになる。Zero TrustのSettings -> Accountからプランを確認できる。 Freeプランを選択したことが確認できる. My internet connection is behind NAT, which makes it impossible to serve anything outside (security cameras, file servers, ecc) I'm trying CloudFlare Zero Trust Tunnel to bypass it, and it seems to work fine. Access and secure a MySQL database using Cloudflare Tunnel and network policies. Running this command will: Create a tunnel by establishing a persistent relationship between the name you provide and a UUID Jan 31, 2024 · Administrators can use Cloudflare Tunnel to connect a VNC host to Cloudflare’s network. Use Azure AD Conditional Access policies in Cloudflare Access. For more information, refer to Connect private networks . cloudflared tunnel run macbook. This walkthrough covers Feb 21, 2019 · Instead, Argo Tunnel ensures that all requests to that remote desktop route through Cloudflare. We recommend getting started with the dashboard, since it will allow you to Thanks to Linode for sponsoring this video!Sign up today and get a $100 60-day credit on your new Linode account, link is in the description. O. Below, our stepwise instructions show how to set up the cloudflared tunneling daemon on Windows, macOS, Linux, and Raspberry Pi for exposing local servers to the internet. In the Public Hostnames tab, choose a domain from the drop-down menu and specify any subdomain (for example, smb. io:42758. , go to Settings > WARP Client. cloudflared tunnel create TUNNELNAME Copy. Arbitrary TCP traffic will be proxied over this connection using Cloudflare Tunnel . 5 months ago. . I can run web applications. By functioning as a jump-host, cloudflared can reside on a single node in your network and proxy requests to any internal server, eliminating deployment headaches. Requests to that subdomain will be proxied through the Cloudflare network to your web server running on localhost. I ran the Windows installer, ran this cmd: cloudflared. Create a remotely-managed tunnel (dashboard) RDP; SMB. Allocate 50,000 ports to the cloudflared process on each host. Choose a tunnel and select Configure. You will see a list of existing policies. Dec 15, 2023 · In Cloudflare, navigate to Zero Trust —> Access —> Tunnels and click on Create a Tunnel: Walk through the wizard to name the tunnel. Click the Add an application button. ’. This is done by enabling Protect with Access in your Cloudflare Tunnel settings. $ cloudflared tunnel create <NAME>. Select the operating system of your host machine. 3 shares. Size each host with minimum 4GB of RAM and 4 CPU cores. Cloudflare Tunnel is the easiest way to connect your infrastructure to Cloudflare, whether that be a local HTTP server, web services served by a Kubernetes cluster, or a private network segment. What doesn’t work are the apps - they only use port 443, so I dont see how there is any configuration Feb 5, 2024 · Cloudflare Zero Trust replaces legacy security perimeters with our global network, making the Internet faster and safer for teams around the world. 🔗 https://dbte. Once on the Cloudflare network, Access enforces the rules you need to lock down remote desktops Mar 26, 2024 · Create a tunnel. Enter an application name and application domain and click the Next button. In fact, you can add more public hostnames with different services to the same tunnel. We have plenty of use cases where people use UDP. これで自宅内LANとCfの間のVPN（のようなもの）を確立させる。. 3 months ago. Feb 23, 2024 · After logging in to your account, select your hostname. Create the Cloudflare Tunnel. Run this command to install cloudflared: Feb 12, 2024 · Environment Variable. Select Begin log stream. widgetcorp. Jun 13, 2024 · Using two hosts enables server-side redundancy and traffic balancing. cloudflareaccess Cloudflare Community May 20, 2023 · Run the following command on B: ssh -p 443 -R0:localhost:8000 tcp@a. An Access policy consists of an Action as well as rules which determine the scope of the action. cloudflared tunnel route dns macbook mac-browser. Dec 7, 2023 · When false, cloudflared will connect to your origin with HTTP/1. Navigate to dashboard > Account Home > Zero Trust > Access > Tunnels > Create a Tunnel. Oct 25, 2022 · Connect to RDP server with WARP to Tunnel. Contains the command-line client for Cloudflare Tunnel, a tunneling daemon that proxies traffic from the Cloudflare network to your origins. 3. Dec 27, 2023 · 使用 Cloudflare Tunnel 访问内网服务. Setup the application policies to suit your requirements and click the Next button. Apr 28, 2022 · Expand Access in the left menu, and then navigate to Tunnels. サーバーPCとのTunnelを作成する. このコマンドを使用し Oct 18, 2023 · I have a windows enviroment and have successfully connected with zero trust. 1 to your tunnel, users can connect to your application through the remote browser by going to https://<your-team-name>. ericcfdemo. , go to Access > Applications. Sep 27, 2023 · Configure a tunnel. exe service install CLOUDFLARE_TOKEN_HERE. Cloudflare Dashboard · Community · Learning Center · Support Portal · Cookie Settings. If you do not wish to use Cloudflare Tunnel, you can manually configure your origin to check all requests for a valid token. You have the option of creating a tunnel via the dashboard or via the command line. Available values are auto, 4, and 6. View logs. We suggest choosing a name that reflects the type of resources you want to Mar 25, 2022 · Our connector. Cloudflare Tunnel是Cloudflare Zero Trust中的产品，可将内网服务暴露到公网供外部用户访问。 May 20, 2023 · source: cloudflare How to use CloudFlare Tunnels. This will output a hostname and a port such as: tcp://rangonwopwjdc. com --url rdp://localhost:3389). I tried following the instructions at: https://blog. Enterprise customers can preview this product as a non-contract service, which Apr 12, 2024 · Expand: Cloudflare Tunnel Cloudflare Tunnel. When true, cloudflared will attempt to connect to your origin server using HTTP/2. Thiết lập kết nối. HTTP/2. Select Login with Cloudflare Zero Trust. Execute a command on your machine to link that service to your Cloudflare tunnel configuration. Mở Terminal, nhập vào lệnh sau để thiết lập kết nối đến Cloudflare Tunnel. cloudflared tunnel --edge-ip-version <VERSION> run <UUID or NAME>. pinggy. Learning for sponsoring today's video!Click this link to get 10% of your choice of courses:https://dbte. This post uses public hostname routing. Create a new directory: C:\Cloudflared\bin. Deprecated releases Cloudflare supports versions of cloudflared that are within one year of the most recent release. Apr 15, 2021 · In 2018, Cloudflare introduced Argo Tunnel, a private, secure connection between your origin and Cloudflare. Can we ping the server from the client? Also file access?? Sorry for the newbie questions and really Open external link. Follow these instructions to download and Jun 7, 2024 · To make this Virtual Network the default for your Zero Trust organization, use the -d flag. 0 instead of HTTP/1. and go to Networks > Tunnels. Locate the policy you want to delete and select Delete. You'll see a side-by-side Jun 24, 2024 · Give the tunnel any name (for example, Subnet-10. Aug 3, 2023 · For example, using GRIT’s test domain, not-malicio. In Zero Trust. Go to Preferences > Account. Install the Cloudflare daemon on the host machine. Access –> Tunnels –> Create a tunnel. This connectivity is made possible through our lightweight, open-source connector, cloudflared. Select the Cloudflare logo in the menu bar. Under Additional application settings, modify one or more origin configuration Jan 11, 2024 · To create and manage tunnels, you will need to install and authenticate cloudflared on your origin server. rdp://localhost:3389; kubectl bastion mode: cloudflared will act like a jumphost, allowing access to any local address. , etc. OS: Windows 10; Architecture: AMD; Logs and errors Provided above. Now that we are authorized, we can create a Cloudflare tunnel by using the following command. Enter a name for your tunnel. Open external link. You can configure cloudflared properties by modifying command line parameters or by editing the tunnel configuration file. It's not the same feature set as Cloudflare, more similar to Cloudflare Tunnels, but there are differences. TryCloudflare will launch a process that generates a random subdomain on trycloudflare. Scroll down to Split Tunnels. Tunnel makes it so that only traffic that routes through Cloudflare can reach your server. With Tunnel, you do not send traffic to an external IP — instead, a lightweight daemon in your infrastructure ( cloudflared) creates outbound-only connections to Cloudflare’s global network. Cloudflare Zero Trustで、RDP接続先（サーバー）PCとCloudflareの間のTunnelを作成する。 Many people have issues self-hosting their services if they're behind a CG-NAT. , go to Networks > Tunnels and select your tunnel. com ). 1. i have followed the docs to setup a tunnel on my mac as i can access it remotely from my windows pc or any other machin, i have build docker container to be an connector, but when i connect to it using microsoft desktop remote access it failure and i dose Mar 25, 2024 · Select Create a tunnel. 2. Input the following information: Type: CNAME. If you have an account in pinggy then you can also find the tunnel address from the dashboard. thuanbui. Oct 30, 2022 · There are plenty of other services you could use such as SSH, RDP, UNIX+TLS, SMB, and more. I am trying to secure a Windows Remote Desktop Application server behind Cloudflare Zero Trust. us hosting an RDP service at localhost:3389, and another for share. Setup Gui Jan 17, 2024 · About Cloudflare WARP. First, open your list of tunnels and click configure next to the tunnel name. Find the application for which you want to enforce MFA and select Edit. Select the gear icon. 以下のサイトより自分の環境にあったものをインストールしてください. Initially, I’d like to set up RDP. Edit on GitHub · Updated 9 months ago. Before you can delete a Virtual Network, you must first delete all IP routes assigned to the Virtual Network. (Specifically, the section Connect to RDP server with WARP to Tunnel) Here's what I've done: Created a Cloudflare tunnel. 準備ができたら、RDPしたい先のサーバーにsshしてcloudflaredをインストールします. Deletes the Virtual Network with the given name or UUID. Cloudflare tunnels can be used for more than just Home Assistant. Exposing your server’s SSH access via Cloudflare Tunnel, you only need to create the public hostname in the existing tunnel. Edit on Jun 1, 2023 · 4. Ansible works alongside Terraform to streamline the Cloudflare Tunnel setup process. One advantage of using Cloudflare is that, unlike typical corporate firewalls, it is not hardware-based and does not require manual configuration. Home machine has cloudflared as a service (either follow the steps shown when you create a new tunnel on cloudflare zero trust or follow this). Sep 12, 2022 · I dont actually know where to ask this question - however. Connect the server to Cloudflare. g. example. Jan 31, 2024 · To start using Cloudflare Tunnel, a super administrator in the Cloudflare account must first log in through cloudflared login. You can use Grafana to convert your tunnel metrics into actionable insights. Log in to Zero Trust. auto. Actions. exe. In the sidebar, select the Connector ID for the cloudflared instance you want to view. us, I can pre-configure a tunnel on the Cloudflare Dashboard with a Public Hostname for access. Using Cloudflare Access, you can apply Zero Trust policies to determine who can access your VNC server. com to localhost:8080. If you don’t have a server running and you just want to see if Jul 18, 2023 · To delete an Access policy: In Zero Trust. not-malicio. The actual amount of resources used by cloudflared will depend on Mar 5, 2024 · First, install cloudflared on a server in your private network: Log in to Zero Trust. Test hello world server. If your application already has a rule containing an identity requirement, find it and select Edit. The Cloudflare daemon, cloudflared, will maintain a secure, persistent, outbound-only connection from the machine to Cloudflare. Alternatively, create a new application. Jul 17, 2023 · Connect the host to Cloudflare. After running the above command, you will see a message similar to the one below. pem file, in the default cloudflared directory. Locate the application for which you want to delete the policy and select Edit. Can I do the same with the Cloudflare zero trust tunel. Generate an account certificate, the cert. box. If you set up your tunnel through the CLI, the tunnel runs as an instance of cloudflared on your machine. 注意：如果此处端口使用 3389，Windows 自带的 RDP 客户端会阻止连接。 Oct 18, 2023 · To enforce an MFA requirement to an application: In Zero Trust, go to Access > Applications. Expand: Private networks Cloudflare Community Jun 7, 2024 · Go to DNS > Records. You can think of Argo Tunnel as a virtual P. bastion; Hello World: Test server for validating your Cloudflare Tunnel setup. Expected behavior A clear and concise description of what you expected to happen. Select Add record. (Optional) To view your existing Split Tunnel configuration, select Manage. Refer to our reference architecture to learn how to evolve your network and security architecture to our SASE platform. “C:\Users\roger\Desktop>cloudflared access rdp --hostname xxxxxx --url rdp://localhost:4389 2023-04-02T06:44:09Z INF Start Websocket listener host=localhost Click on Cloudflare Tunnel. Click the Add application button. Download and install cloudflared on the RDP host Work machine just has the cloudflared executable ready to connect when I need it (I have a . Open CMD as an administrator and go to C:\Cloudflared\bin. Cloudflare’s network will then enforce the Zero Trust policies and, when a user is allowed, render the client in the browser. In this blog post, we are going to expose an NGINX server for demo Apr 15, 2021 · The browser-based interface of Cloudflare Zero Trust Apps can be launched from a single dashboard that is tailored to the permissions of each end user. Access a web application via its private hostname without WARP. Jun 6, 2024 · One option is to configure the Cloudflare Tunnel daemon, cloudflared, to validate the token on your behalf. 1. And cofigured the tunnel like this: We would like to show you a description here but the site won’t allow us. External link icon. It lets someone send you packets without knowing your real address. Choose a route and select Edit. Expand: Get started Get started. We recommend using this setting in conjunction with Aug 7, 2020 · Protecting Remote Desktops at Scale with Cloudflare Access. Select self-hosted. Download the small service to the machine you will be using for debugging. Rule types. We suggest choosing a name that reflects the type of resources you want to connect through this tunnel (for example, enterprise-VPC-01). Once selected, Cloudflare generates a certificate that consists of three components: The tunnel is active and able to receive requests. The WARP client also makes it possible to apply advanced Zero Trust policies that check for a device Aug 29, 2021 · The command below will create a DNS record in my Cloudflare account and associate it with this Tunnel. インストールができたら、. Nov 9, 2021 · Go to the Cloudflare for Teams Dashboard. a webserver). No need to open new ports in the firewall. Tunnel works with Cloudflare DDoS Protection and Web Application Firewall (WAF) to defend your web properties from attacks. Cloudflare can route traffic to your Cloudflare Tunnel connection using a Apr 19, 2024 · With Clientless Web Isolation, users can reach any private IP resource you have connected through Cloudflare Tunnel. Jun 16, 2023 · I’d like to use Cloudflare Tunnel to provide secure remote access to services behind our firewall. RDP. Users can click on any tile in their view to Dec 7, 2023 · Monitor Cloudflare Tunnel with Grafana. Remotely-managed tunnel. Once you have the cloudflared CLI installed, all you need is this command to expose your local server: cloudflared tunnel --url localhost:8080. Depending on how your organization is structured, you can deploy WARP in one of two ways: Manual deployment — If you are a small organization, asking your users to download the client themselves and type in the required settings is the ideal way to get started with WARP. com in their web browser. Jun 28, 2023 · サーバー側の作業. Today we are announcing Argo Tunnel RDP Bastion mode, a simpler way to protect RDP connections at scale. ” May 28, 2024 · RDP: RDP connections are proxied to your local service. Zero Trust Cloudflare Tunnel. Cloudflare Tunnel provides you with a secure way to connect your resources to Cloudflare without a publicly routable IP address. 左側メニューの Mar 1, 2024 · Change Split Tunnels mode. Next, you will need to install cloudflared and run it. a. cloudflared tunnel vnet delete <NAME or UUID>. Jan 31, 2024 · To enroll your device using the WARP GUI: Download and install the WARP client. Tunnel run parameters. io. This setup is usually sufficient to handle traffic from 8,000 WARP users (4,000 per host). Create a tunnel and give it a name. 56. Luckily, we can get around that with the help of Cloudflare tunnels. We would like to show you a description here but the site won’t allow us. Go to the Rules section of the application. Instead, cloudflared runs a Prometheus metrics endpoint, which a Prometheus Sep 27, 2023 · Configure a locally-managed tunnel. It is not possible to push metrics directly from cloudflared to Grafana. Once you deploy the Tunnel daemon and lock down your firewall, all inbound web traffic is filtered through Cloudflare’s network. Replace localhost:8080 with your server address and port. Select the Public Hostname tab. IPv4 address: <UUID>. 随后，在 RDP 客户端中填写 localhost:<本地端口> 即可访问到远程桌面了。. cfargotunnel. bat file with the command cloudflared access rdp --hostname rdp. Sep 27, 2023 · Run cloudflared as a service. Expose local server with Cloudflare Tunnel CLI. me --url rdp: //localhost:3389 Code language: JavaScript (javascript) Sau đó mở RDP, tạo kết nối vào địa chỉ localhost:3389. And since all Cloudflare services are designed to run across every network location, all traffic is connected, inspected, and filtered close to the source for the best performance and consistent user experience. us hosting SMB at localhost:445. Traditionally, from the moment an Internet property is deployed, developers spend an exhaustive amount of time and energy locking it down through access control lists, rotating ip addresses, or clunky solutions like GRE tunnels. Users login to a home page that your organization controls and Cloudflare displays each application they can reach — web, SSH, RDP, and others. Aug 7, 2020 · Cloudflare Access adds stronger authentication to RDP sessions by first locking down access to the remote machine via Argo Tunnel, then enforcing identity-based policies to determine who can gain access. I can successfully browse to the website, my Cloudflare policy works, etc. This video shows the WARP client on Windows, but clients are available for Win Apr 5, 2018 · Today we’re introducing Argo Tunnel, a private connection between your web server and Cloudflare. Name: Subdomain of your application. 0/24) and select Save tunnel. exe file you downloaded in step 1 to the new directory and rename it to cloudflared. rr cb ur vf wr fo da xi io lk